Compare PDF
Compare two PDFs, differences highlighted.
Compare two PDFs, differences highlighted. Runs entirely in your browser — your files never leave your device. Free, no sign-up, no watermark.
Frequently asked questions
How does it show differences?
It compares two PDFs page by page and outputs a PDF with changed areas highlighted in red.
What is it best for?
Spotting edits between two versions of the same document.
Is anything uploaded?
No — both files are compared locally.